Sequence alignment between 5c4x(D) and UniProt seq P20433 (RPB4_YEAST):

P20433 (RPB4_YEAST): DNA-directed RNA polymerase II subunit RPB4 from Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MNVSTSTFQTRRRRLKKVEEEENAATLQLGQEFQLKQINHQGEEEELIALNLSEARLVIKEALVERRRAFKRSQKKHKKKHLKHENANDETTAVEDEDDDLDEDDVNADDDDFMHSETREKELESIDVLLEQTTGGNNKDLKNTMQYLTNFSRFRDQETVGAVIQLLKSTGLHPFEVAQLGSLACDTADEAKTLIPSLNNKISDDELERILKELSNLETLY
         ............................................................................XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.........................................................................................................
PDB seq: ---STSTFQTRRRRLKKVEEEENAATLQLGQEFQLKQINHQGEEEELIALNLSEARLVIKEALVERRRAFKRSQKK----------------------------------------ETREKELESIDVLLEQTTGGNNKDLKNTMQYLTNFSRFRDQETVGAVIQLLKSTGLHPFEVAQLGSLACDTADEAKTLIPSLNNKISDDELERILKELSNLETLY
            ------+---------+---------+---------+---------+---------+---------+------                                        ---+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
                 10        20        30        40        50        60        70                                               120       130       140       150       160       170       180       190       200       210       220